High Speed Steel and WC Particle-Reinforced Composites Produce by Spray Forming

ZHANG Wing; HUANG Thuo; TIAN Haige; WU Qinghua; WU Chengyi

Volume 4 Issue 4

Dec. 1997

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Abstract

International Journal of Minerals, Metallurgy and Materials > 1997 > 4(4): 47-51.

ZHANG Wing, HUANG Thuo, TIAN Haige, WU Qinghua, and WU Chengyi, High Speed Steel and WC Particle-Reinforced Composites Produce by Spray Forming, J. Univ. Sci. Technol. Beijing , 4(1997), No. 4, pp.47-51.

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High Speed Steel and WC Particle-Reinforced Composites Produce by Spray Forming

ZHANG Wing¹⁾,
HUANG Thuo²⁾,
TIAN Haige¹⁾,
WU Qinghua³⁾ and
WU Chengyi¹⁾

Author Affilications

Materials Science and Engineering School, USTB, Beijing 100083, China
Research Institute of Powder Metallurgy, General Research Institute for Non-ferrous Metals
Institute of Agriculture Mechanizing Beijing

Funds:

Project Support by the Nineth National Five Year Plan of China

Received: 13 May 1997; Available Online: 20 June 2021

Graphical Abstract

Abstract

Abstract

The process of spray forming utilized to fabricate WC particle-reinforced high speed steel composites has been studied. In addition, microstructures and mechanical properties of M2 high speed steel and its composites made by spray forming have been analyzed. The results show that the primary carbides of high speed steel are of two types: MC and M_bC. With the increase in flight distance, the morphology of the primary carbides varies from fine fish-bone-like to islandlike and both bending strength and hardness increase. With the increase in volume fraction of WC reinforcement particles,hardness of the composites increases considerably, but bending strength, however, appears to be a decreasing tendency.
- spray forming,
- WC particle,
- high speed steel,
- composite,
- microstructures and mechanical properties

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